<template>
  <div class="login_container">
<div class="login_box">
<div class="avatar_box">
<img src="../assets/logo.png" alt="">
</div>
<el-form ref="loginFormRef" :model="loginForm"  :rules="loginFormRules"  label-width="0px" class="login_form">
  <el-form-item prop="username">
    <el-input v-model="loginForm.username"  prefix-icon="el-icon-user-solid"></el-input>
  </el-form-item>

   <el-form-item prop="password">
    <el-input  v-model="loginForm.password"  prefix-icon="el-icon-lock" type="password"></el-input>
  </el-form-item>

   <el-form-item class="btns">
      <el-button type="primary" @click="login">登录</el-button>
        <el-button type="info" @click="resetLoginForm">重置</el-button>
  </el-form-item>


  </el-form>
</div>
  </div>
</template>

<script>
export default {
  name: 'login',
  components: {},
  data () {
    return {
      loginForm: {
        username: 'admin', 
        password: '123456'
      },
      loginFormRules:{
        username: [{required: true, message: '请输入登录名称', trigger: 'blur'},
                   { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }  
        
        ],

        password: [
          {required: true, message: '请输入登录密码', trigger: 'blur'},
                   { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }  
        ]
      }
    }
  },
  props: {},
  computed: {},
  methods: {
    resetLoginForm(){
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      this.$refs.loginFormRef.validate(async valid=>{
        if(!valid) return;
       const {data: res} = await this.$http.post('login',this.loginForm);
       if(res.meta.status !== 200) return this.$message.error("登录失败")
       this.$message.success("登录成功")

       window.sessionStorage.setItem('token',res.data.token);
       this.$router.push('/home')
      });
    }
  },
  watch: {},
  created () {},
  mounted () {},
  destroyed () {}
}

</script>
<style scoped>
.login_container{
    background-color: #2b4b6b;
     height: 100%;
}
.login_box{
    width:450px;
    height:300px;
    background-color:#fff;
    border-radius: 3px;
    position: absolute;
    left:50%;
    top:50%;
    transform: translate(-50%,-50%);
}
  .avatar_box {
        height:130px;
        width: 130px;
        border: 1px solid #eee;
        border-radius: 50%;
        padding:10px;
        box-shadow:0 0 10px #ddd;
        position:absolute;
        left:50%;
        transform:translate(-50%,-50%);
        background-color:#fff;
    }
     .avatar_box  img {
            width:100%;
            height:100%;
            border-radius:50%;
            background-color:#eee;
        }
        .login_form{
          position:absolute;
          bottom:0;
          width:100%;
          padding: 0 20px;
          box-sizing: border-box;
        }
        .btns{
          display: flex;
          justify-content:flex-end;
        }
</style>
